Big update.

src/strategy/values/RtiTargetValue.cpp

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#include "RtiTargetValue.h"
+#include "Playerbots.h"
+#include "ServerFacade.h"
+
+int32 RtiTargetValue::GetRtiIndex(std::string const rti)
+{
+    int32 index = -1;
+    if (rti == "star")
+        index = 0;
+    else if (rti == "circle")
+        index = 1;
+    else if (rti == "diamond")
+        index = 2;
+    else if (rti == "triangle")
+        index = 3;
+    else if (rti == "moon")
+        index = 4;
+    else if (rti == "square")
+        index = 5;
+    else if (rti == "cross")
+        index = 6;
+    else if (rti == "skull")
+        index = 7;
+
+    return index;
+}
+
+Unit* RtiTargetValue::Calculate()
+{
+    Group* group = bot->GetGroup();
+    if (!group)
+        return nullptr;
+
+    std::string const rti = AI_VALUE(std::string, type);
+    int32 index = GetRtiIndex(rti);
+
+    if (index == -1)
+        return nullptr;
+
+    ObjectGuid guid = group->GetTargetIcon(index);
+    if (!guid)
+        return nullptr;
+
+    GuidVector attackers = context->GetValue<GuidVector >("attackers")->Get();
+    if (find(attackers.begin(), attackers.end(), guid) == attackers.end())
+        return nullptr;
+
+    Unit* unit = botAI->GetUnit(guid);
+    if (!unit || unit->isDead() || !bot->IsWithinLOSInMap(unit) || sServerFacade->IsDistanceGreaterThan(sServerFacade->GetDistance2d(bot, unit), sPlayerbotAIConfig->sightDistance))
+        return nullptr;
+
+    return unit;
+}